SUSE · Security update for go1.26
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.8 Critical : upgrade SUSE os to 1.27.2 or 1.26.9 as a priority.
Data as of 10 Nov 2026, 20:18 UTC
- Patch
- Available – fixed in 1.27.2, 1.26.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 8 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade os and internal/syscall/windows to 1.27.2 or 1.26.9.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard libraryos | Affected
| Fixed in
|
| Go standard libraryos | Affected
| Fixed in
|
| Go standard libraryinternal/syscall/windows | Affected
| Fixed in
|
| Go standard libraryinternal/syscall/windows | Affected
| Fixed in
|
Goospkg:golang/osOther threats | Affected
| Fixed in
|
Gointernal/syscall/windowspkg:golang/internal/syscall/windowsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the Go 1.26.9 update which includes official fixes for all listed vulnerabilities. This release addresses the security issues in the go command and multiple core packages. No additional mitigation steps are indicated beyond upgrading to this fixed version.
Description
This security update for Go 1.26 addresses multiple vulnerabilities across various packages including os, net/http, html/template, crypto/tls, and cmd/go. The fixes resolve issues such as directory traversal on Windows, HTTP/1 and HTTP/2 connection desynchronization, memory exhaustion, malformed header acceptance, checksum bypasses, and template context tracking errors. The update also includes several bug fixes to the compiler, linker, runtime, and other packages.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_22095-1.json (opens in a new tab)
- bugzilla.suse.com/1255111 (opens in a new tab)
- bugzilla.suse.com/1284766 (opens in a new tab)
- bugzilla.suse.com/1284767 (opens in a new tab)
- bugzilla.suse.com/1284768 (opens in a new tab)
- bugzilla.suse.com/1284769 (opens in a new tab)
- bugzilla.suse.com/1284771 (opens in a new tab)
- bugzilla.suse.com/1284773 (opens in a new tab)
- bugzilla.suse.com/1284774 (opens in a new tab)
- bugzilla.suse.com/1284775 (opens in a new tab)
- bugzilla.suse.com/1284776 (opens in a new tab)
- bugzilla.suse.com/1284777 (opens in a new tab)
- bugzilla.suse.com/1284778 (opens in a new tab)
- bugzilla.suse.com/1284779 (opens in a new tab)
- bugzilla.suse.com/1284780 (opens in a new tab)
- suse.com/security/cve/CVE-2026-56857/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-56866/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-78659/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-78660/ (opens in a new tab)